updating the file to use cplex correctly #208

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Python application

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	permissions:
	contents: read

	jobs:
	build:
	name: Build and test
	runs-on: ubuntu-latest

	defaults:
	run:
	shell: bash -l {0}

	steps:
	- uses: actions/checkout@v3
	- name: Set up conda
	uses: conda-incubator/setup-miniconda@v2
	with:
	miniforge-variant: Mambaforge # mamba is faster than base conda
	miniforge-version: latest
	activate-environment: osier-env
	use-mamba: true
	use-only-tar-bz2: true
	- run: \|
	conda config --env --set pip_interop_enabled True
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 pytest pyomo==6.4.1
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Install CBC
	run: \|
	mamba install coincbc
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Install osier package
	run: \|
	pip install .
	- name : Install recent unyt update
	run: \|
	python3 -m pip install -e git+https://github.com/yt-project/unyt.git#egg=unyt
	- name: Test with pytest
	run: \|
	pytest tests/

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